Finding the Third Proportional to 153,472.50 and 328,266

Step by Step Solution

1. Step 1: Write the proportion equation
   153,472.50 : 328,266 = 328,266 : x
2. Step 2: Convert to fraction form
   153,472.50/328,266 = 328,266/x
3. Step 3: Cross multiply
   153,472.50x = 328,266 × 328,266
4. Step 4: Simplify right side
   153,472.50x = 107,758,566,756
5. Step 5: Solve for x
   x = 107,758,566,756/153,472.50
6. Step 6: Final answer
   x = 702,136.00